DescriptionBy applying pressure to the affected muscle patch, blood circulation is stimulated bringing in more oxygen and nutrients for faster muscle relief and recovery. There are a myriad of trigger points throughout the body you can use the trigger the hard reach areas.Features- Material: Plastic.- Size: About 46.50X27.00X2.50cm/18.27X10.61X0.98inch.- Trigger point self massage help relieve neck, back, shoulders, legs and arms muscle pain, soreness, stiffness. - While applying pain relieving trigger point therapy to deep knotted points along the body. - Deeply relax all body muscles. Promotes circulation and improves range of motion and helps accelerate warm up and recovery.- The trigger point massager open design and natural shape allow you to reach all muscle groups of the body. - The self massager is the muscle massage tool for bringing relief to a patch of muscles in spasm (knots) or trigger points. Packing list1 x back massager